We found 29 dictionaries that define the word investigator:

General (23 matching dictionaries)

1. investigator: Merriam-Webster
2. investigator: Oxford Learner's Dictionaries
3. investigator: American Heritage Dictionary of the English Language
4. investigator: Collins English Dictionary
5. investigator: Vocabulary.com
6. Investigator, investigator: Wordnik
7. investigator: Cambridge Advanced Learner's Dictionary
8. investigator: Wiktionary
9. investigator: Webster's New World College Dictionary, 4th Ed.
10. Investigator, investigator: Dictionary.com
11. investigator: Cambridge Essential American English Dictionary
12. Investigator (disambiguation), Investigator (magazine), Investigator, The Investigator (TV pilot): Wikipedia, the Free Encyclopedia
13. Investigator: Online Plain Text English Dictionary
14. investigator: Webster's Revised Unabridged, 1913 Edition
15. investigator: Rhymezone
16. Investigator: AllWords.com Multi-Lingual Dictionary
17. investigator: Webster's 1828 Dictionary
18. investigator: FreeDictionary.org
19. investigator: Mnemonic Dictionary
20. investigator: TheFreeDictionary.com
21. investigator: Longman Dictionary of Contemporary English

Business (2 matching dictionaries)

22. investigator: Merriam-Webster Legal Dictionary
23. investigator: Legal dictionary

Medicine (2 matching dictionaries)

24. investigator: Dictionary of Cancer Terms
25. Hyperdictionary (No longer online)

Miscellaneous (1 matching dictionary)

26. Brilliant Dream Dictionary (No longer online)

Slang (1 matching dictionary)

27. investigator: Urban Dictionary

(Note: See investigate as well.)

Definitions from Wiktionary ( ) ▸ noun:  One who investigates. Similar: researcher, detective, TEC, police detective, research worker, coinvestigator, investigatress, examiner, cyberinvestigator, indagator, more... Opposite: spectator, bystander, observer, onlooker, nonparticipant Types: police detective, FBI agent, CIA agent, CSI, profiler, inspector, detective, spy, more... Phrases: principal investigator, private investigator, clinical investigator, paranormal investigator, crime scene investigator, more... Adjectives: private, principal, scientific, chief, special, clinical, original, individual, criminal, experienced, single Colors:     black,     gray,     dark green,     burgundy,     olive, more... ▸ Words similar to investigator ▸ Usage examples for investigator ▸ Idioms related to investigator ▸ Wikipedia articles (New!) ▸ Popular adjectives describing investigator ▸ Words that often appear near investigator ▸ Rhymes of investigator ▸ Invented words related to investigator